<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="类别名称" prop="cname">
        <el-input
          v-model="queryParams.cname"
          placeholder="请输入类别名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="是否展示" prop="isshow">
        <el-input
          v-model="queryParams.isshow"
          placeholder="请输入是否展示"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="创建者" prop="createBy">
        <el-input
          v-model="queryParams.createBy"
          placeholder="请输入创建者"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="更新者" prop="updateBy">
        <el-input
          v-model="queryParams.updateBy"
          placeholder="请输入更新者"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
        >导出</el-button>
      </el-col>
      <el-button :showSearch.sync="showSearch" @queryTable="getList"></el-button>
    </el-row>

    <el-table v-loading="loading" :data="categoryList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="编号" align="center" prop="cid" />
      <el-table-column label="类别名称" align="center" prop="cname" />
      <el-table-column label="图片" align="center" prop="cimg" width="100">
        <template slot-scope="scope">
          <img :src="$baseUrl+'/'+scope.row.cimg" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="是否展示" align="center" prop="isshow">
      <template slot-scope="scope">
        <el-tag v-if="scope.row.isshow==1">是</el-tag>
        <el-tag v-else>否</el-tag>
      </template>
      </el-table-column>

        <el-table-column label="创建时间" align="center" prop="createTime" />
        <el-table-column
        label="更新时间"
        align="center"
        prop="updateTime"
        width="180"
      />
      
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <el-pagination
      v-show="total>0"
      :total="total"
      :current-page.sync="queryParams.pageNum"
      :page-size.sync="queryParams.pageSize"
      background
      layout="prev,pager,next"
      @current-change="getList"
    />

    <!-- 添加或修改category对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="类别名称" prop="cname">
          <el-input v-model="form.cname" placeholder="请输入类别名称" />
        </el-form-item>


        <el-form-item label="图片">
 <!-- 图片上传 -->
          <el-upload
            class="avatar-uploader"
            :action="$baseUrl + '/upload'"
            :headers="{ Authorization: 'Bearer ' + $store.getters.token }"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload"
          >
            <img
              v-if="form.cimg"
              :src="$baseUrl + '/' + form.cimg"
              class="avatar"
              height="80"
              width="80"
            />
            <i v-else class="el-icon-plus avatar-uploader-icon" height="80" width="80"></i>
          </el-upload>
        </el-form-item>


        <el-form-item label="是否显示到主页" prop="isshow">
            <template>
            <el-radio v-model="form.isshow" label="1">是</el-radio>
             <el-radio v-model="form.isshow" label="0">否</el-radio>
          </template>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/system/category";

export default {
  name: "Category",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // category表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        cname: null,
        cimg: null,
        isshow: null,
        createBy: null,
        updateBy: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询category列表 */
    getList() {
      this.loading = true;
      console.log(this.queryParams);
      listCategory(this.queryParams).then(response => {
        this.categoryList = response.data.rows;
        console.log(this.categoryList);
        this.total = response.data.totalsize;
        console.log(this.total);
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },

 // 头像上传
    handleAvatarSuccess(res, file) {
      //上传成功之后的回调函数
      // this.imageUrl = URL.createObjectURL(file.raw);
      this.form.cimg = res.data;
      console.log(this.form.cimg);
    },
    beforeAvatarUpload(file) {
      //限制文件类型及大小
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
    


    // 表单重置
    reset() {
      this.form = {
        cid: null,
        cname: null,
        cimg: null,
        isshow: 0 + "",
        createTime: null,
        createBy: null,
        updateTime: null,
        updateBy: null
      };
      this.$nextTick(()=>{this.$refs["form"].resetFields();})
      // this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      // this.resetForm("queryForm");
      this.$nextTick(()=>{this.$refs["queryForm"].resetFields();})
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.cid)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加category";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const cid = row.cid || this.ids
      getCategory(cid).then(response => {
        this.form = response.data;
        console.log("这是测试数据");
        console.log(this.form);
        this.open = true;
        this.title = "修改category";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.cid != null) {
            updateCategory(this.form).then(response => {
              this.$message({type:'success',message:'修改成功'})
              // this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then(response => {
              this.$message({type:'success',message:'新增成功'})
              // this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const cids = row.cid || this.ids;
      this.$confirm('是否确认删除category编号为"' + cids + '"的数据项？',
      '提示',
      {confirmButtonText:'确定',cancelButtonText:'取消',type:'warning'})
      .then(function() {
        return delCategory(cids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    // handleExport() {
    //   this.download('system/category/export', {
    //     ...this.queryParams
    //   }, `category_${new Date().getTime()}.xlsx`)
    // }
   }
};
</script>
